Merge pull request #428 from MaRDI4NFDI/physikerwelt-patch-2

Use repl db for read queries

mediawiki/LocalSettings.d/00_database.php

@@ -1,2 +1,30 @@
 <?php
 $wgDBname =  str_contains($_SERVER['HTTP_HOST']??'','swmath') ? 'wiki_swmath' : 'my_wiki';
+if ( getenv('CI') !== 'true' ) {
+    $wgLBFactoryConf = array(
+
+    'class' => 'LBFactoryMulti',
+
+    'sectionsByDB' => array(
+        'my_wiki' => 's1', 
+        'wiki_swmath' => 's1',
+    ),
+
+    'sectionLoads' => array(
+        's1' => array(
+            'mysql.svc'  => 0,
+            'mysql-repl.svc'  => 50, /* the 50 is the weight (of replica servers). Would matter if you had multiple */
+        ),
+    ),
+
+
+    'serverTemplate' => array(
+        'dbname'      => $wgDBname,
+        'user'          => $wgDBuser,
+        'password'      => $wgDBpassword,
+        'type'          => 'mysql',
+        'flags'          => DBO_DEFAULT,
+        'max lag'      => 30,
+    ),
+    );
+}